Long exposure to loud hair dryer noise is not only stressful, but it can also be damaging to hearing. See why quiet hair dryer models are safer to. No, not my shower singing voice (thank you very much) – my hair dryer. I've used the same hair dryer for close to six years now. I bought it from. Sometimes when I am using the hair dryer (and on other occasions) I hear I can never hear what the voices are saying or how many voices there are but it.